body {
  min-width: 320px;
  max-width: 750px;
  margin: 0 auto;
}
a {
  text-decoration: none;
  color: #707070;
}
li {
  list-style: none;
}
@media screen and (min-width: 750px) {
  html {
    font-size: 37.5px !important;
  }
}
.header {
  border-bottom: 1px solid #ccc;
  height: 1.866667rem;
  line-height: 1.866667rem;
  text-align: center;
  font-size: 0.933333rem;
  font-family: Microsoft YaHei;
}
.nav {
  display: flex;
  flex-wrap: wrap;
  padding: 1.173333rem 0;
}
.nav .item {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 33.33%;
}
.nav .item img {
  width: 3.706667rem;
  height: 3.706667rem;
}
.nav .item .item_p {
  font-size: 0.4rem;
  font-family: Arial;
  color: #707070;
}
.nav .item:nth-child(-n+3) {
  margin-bottom: 1.653333rem;
}
.sec1 {
  margin-bottom: 0.266667rem;
}
.sec2 {
  margin-bottom: 0.266667rem;
}
.sec2 .swiper {
  position: relative;
}
.sec2 .swiper html,
.sec2 .swiper body {
  position: relative;
  height: 100%;
}
.sec2 .swiper body {
  background: #eee;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}
.sec2 .swiper .swiper-container {
  height: 100%;
  width: 14.4rem;
}
.sec2 .swiper .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  flex-direction: column;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
  transition: 300ms;
  transform: scale(0.8);
  opacity: 0.5;
}
.sec2 .swiper .swiper-slide .swiper_slide_a1 {
  width: 9.013333rem;
  height: 10.026667rem;
}
.sec2 .swiper .swiper-slide p {
  width: 9.04rem;
  font-size: 0.666667rem;
  color: #333333;
  font-family: Microsoft YaHei;
}
.sec2 .swiper .swiper-slide-active,
.sec2 .swiper .swiper-slide-duplicate-active {
  transform: scale(1);
  z-index: 1;
  opacity: 1;
}
.sec3 {
  padding-top: 0.266667rem;
  margin-bottom: 2.933333rem;
}
.sec3 .swiper2 html,
.sec3 .swiper2 body {
  position: relative;
  height: 100%;
}
.sec3 .swiper2 body {
  background: #eee;
  font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #000;
  margin: 0;
  padding: 0;
}
.sec3 .swiper2 .swiper-container {
  width: 100%;
  height: 100%;
}
.sec3 .swiper2 .swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  width: 7.733333rem;
  height: 9.066667rem;
  line-height: 9.066667rem;
  background-color: pink;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  /* Center slide text vertically */
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
.footer {
  display: flex;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2.933333rem;
  background-color: pink;
  z-index: 999;
}
.footer a {
  flex: 1;
}
